Dual-booting 64-bit devices with HFS Filesystem

Introduction:

As of now dual-boots were popular from 32-bit devices like iPhone 5 , iPad 4 , iPhone 4s etc. Few days ago @Ralph0045 and @mcg29_ released guide for dual-booting 64-bit devices but for APFS Filesystem. Now me to clear dual-booting arm64 devices I'm releasing guide for HFS Filesystems. This is my first guide, so it's not perfect.